Chondroid Lipoma



Chondroid Lipoma


Khin Thway, BSc, MBBS, FRCPath









Gross photograph of chondroid lipoma shows a circumscribed lesion with a multilobulated, yellow to tan cut surface and prominent hemorrhage.






Hematoxylin & eosin shows a well-demarcated, encapsulated lesion within the subcutis. Sheets of cells with eosinophilic granular cytoplasm are admixed with mature adipocytes image.


TERMINOLOGY


Definitions



  • Uncommon benign neoplasm with features of embryonal fat and embryonal cartilage



    • Most frequently affects proximal limbs and limb girdles of adult women


  • Often mistaken for sarcomas


ETIOLOGY/PATHOGENESIS


Developmental Anomaly



  • Etiology unknown


CLINICAL ISSUES


Epidemiology



  • Age



    • Adults; peak incidence = 3rd and 4th decades


  • Gender



    • M:F = 1:4


Site



  • Predominantly proximal limbs and limb girdles


  • Trunk, head and neck (especially oral cavity)


  • Both superficial and deep locations

Jul 9, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Chondroid Lipoma
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